pix-a-comp

Description

This program shows the alpha-compare function on the Pixel Engine. The TV screen contains four subscreens. Each can display a different alpha-compare method.

Coverage

Alpha-compare function.

Functions	Parameters	Description
`GXSetAlphaCompare`	*`comp0`*	Can be changed interactively.
	*`ref0`*	Can be changed interactively.
	*`op`*	Can be changed interactively (on the actual hardware only).
	*`comp1`*	Can be changed interactively (on the actual hardware only).
	*`ref1`*	Can be changed interactively (on the actual hardware only).

Operation Method

The A Button toggles the catalog/zoom up mode.

In catalog mode, the joystick moves the cursor to select the subscreen.
In zoom up mode, the joystick moves the cursor to change alpha compare settings.

PAUSE exits the test.

Snapshot

Alpha-compare mode of NEVER, LESS, LESS OR EQUAL, and EQUAL.

pix-a-comp-1.gif (7081 bytes)

Alpha-compare mode of NOT EQUAL, GREATER OR EQUAL, GREATER and ALWAYS.

pix-a-comp-2.gif (8548 bytes)

Required Data Files

None.

Revision History

03/01/2006 Initial version.